and R507A refrigerants

While designed specifically for the Watts QUBE series

this 140F manual reset limit switch serves as a primary thermal cutoff to prevent heat exchanger damage or unsafe operating conditions

Designed for robust performance in multi-stage gas furnaces and boilers

Whether you are troubleshooting a furnace rollout switch replacement or confirming continuity on a suspect York limit control

Trane SFRLY90290 Fan Relay and R507A refrigerantsThe Trane SFRLY90290 serves as a reliable 24V switching relay for residential and light commercial HVAC applications, specifically designed to manage high amperage indoor blower motors. As a heavy duty SPNO (Single Pole Normally Open) fan relay, it provides a dedicated 14A contact rating to ensure stable electrical connections under constant load. This component is the primary OEM replacement for RLY2764, offering a direct terminal to terminal match